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Çıdık, M S and Boyd, D (2020) “Shared sense of purposefulness”: a new concept to understand the practice of coordinating design in construction. Construction Management and Economics, 38(01), 18–31.

Ahmad Shazali, A S and Tahar, K N (2019) Virtual 3D model of Canseleri building via close-range photogrammetry implementation. International Journal of Building Pathology and Adaptation, 38(01), 217–27.

Amadi, A and Higham, A P (2019) A cost trajectory to environmentally adaptive building construction in wet humid settings. International Journal of Building Pathology and Adaptation, 38(01), 68–88.

Ashdown, M M, Crawley, J, Biddulph, P, Wingfield, J, Lowe, R and Elwell, C A (2019) Characterising the airtightness of dwellings. International Journal of Building Pathology and Adaptation, 38(01), 89–106.

Brooks, T, Scott, L, Spillane, J P and Hayward, K (2020) Irish construction cross border trade and Brexit: Practitioner perceptions on the periphery of Europe. Construction Management and Economics, 38(01), 71–90.

Brown, N, Wright, A J, Shukla, A and Stuart, G (2010) Longitudinal analysis of energy metering data from non-domestic buildings. Building Research & Information, 38(01), 91.

Crawley, J, Biddulph, P, Wingfield, J, Ashdown, M, Lowe, R and Elwell, C (2019) Inferring the as-built air permeability of new UK dwellings. International Journal of Building Pathology and Adaptation, 38(01), 3–19.

• Type: Journal Article
• Keywords: Compliance; Mathematical modelling; Airtightness; Domestic energy use; Inference;
• ISBN/ISSN: 2398-4708
• URL: https://doi.org/10.1108/IJBPA-02-2019-0018
• Abstract:
  Compulsory airtightness testing was introduced for new dwellings in England and Wales in 2006 and in Scotland in 2010 to ensure that they are constructed according to design air permeability targets. These targets are set to limit heat loss through air infiltration. Previous work examining the large Air Tightness Testing and Measurement Association (ATTMA) data set of UK airtightness test data suggested that, in a proportion of dwellings, the targets were being met by post-completion sealing as opposed to airtight construction, but did not quantify the prevalence of this practice. The paper aims to discuss this issue. In this paper, the distribution of as-built airtightness and the proportion of dwellings undergoing post-completion sealing are estimated from the ATTMA data set covering 2015–2016. This is carried out by Bayesian statistical modelling, using the data set of recorded test results and a modelled representation of the testing process. This analysis finds the mode of the as-built distribution of air permeability as 4.38 ± 0.01 m³/m²h. It predicts that 39 per cent of dwellings aiming for one of the five most common design targets have sealing interventions at the point of pressure testing to meet their target. The as-built distribution of the ATTMA data is compared to airtightness test data obtained from just before compulsory testing was introduced, showing an improvement in the modal air permeability of 3.6 m³/m²h since testing became mandatory. This paper has investigated the available data beyond simply what is reported, to estimate what the real levels of airtightness in the UK new build stock may be.

Crosbie, T and Baker, K (2010) Energy-efficiency interventions in housing: learning from the inhabitants. Building Research & Information, 38(01), 9.

Djebbar, K E, Salem, S and Mokhtari, A (2019) Assessment of energy performance using bottom-up method. International Journal of Building Pathology and Adaptation, 38(01), 192–216.

Erkoreka, A, Flores-Abascal, I, Escudero, C, Martin, K, Millan, J A and Sala, J M (2019) Flat roof hygrothermal performance testing and evaluation. International Journal of Building Pathology and Adaptation, 38(01), 148–75.

Firth, S K, Lomas, K J and Wright, A J (2010) Targeting household energy-efficiency measures using sensitivity analysis. Building Research & Information, 38(01), 25–41.

Flood, C and Scott, L (2019) Thermal analysis and post construction verification. International Journal of Building Pathology and Adaptation, 38(01), 51–67.

Gupta, R, Gregg, M and Cherian, R (2019) Developing a new framework to bring consistency and flexibility in evaluating actual building performance. International Journal of Building Pathology and Adaptation, 38(01), 228–55.

Hamidane, H, Ababneh, A, Messabhia, A and Xi, Y (2019) Modeling of chloride penetration in concrete structures under freeze-thaw cycles. International Journal of Building Pathology and Adaptation, 38(01), 127–47.

Ibraheem, Y, Piroozfar, P A, Farr, E R and Ravenscroft, N (2019) Methodological evaluation of Integrated Façade Systems. International Journal of Building Pathology and Adaptation, 38(01), 107–26.

Li, M, Allinson, D and Lomas, K (2019) Estimation of building heat transfer coefficients from in-use data. International Journal of Building Pathology and Adaptation, 38(01), 38–50.

Marsh, R, Larsen, V G and Kragh, M (2010) Housing and energy in Denmark: past, present, and future challenges. Building Research & Information, 38(01), 92–106.

O’Connell, S, Reynders, G, Seri, F, Sterling, R and Keane, M M (2019) A standardised flexibility assessment methodology for demand response. International Journal of Building Pathology and Adaptation, 38(01), 20–37.

Oswald, D (2020) Safety indicators: questioning the quantitative dominance. Construction Management and Economics, 38(01), 11–17.

Ponton, H, Osborne, A, Thompson, N and Greenwood, D (2020) The power of humour to unite and divide: a case study of design coordination meetings in construction. Construction Management and Economics, 38(01), 32–54.

Rogage, K, Clear, A, Alwan, Z, Lawrence, T and Kelly, G (2019) Assessing building performance in residential buildings using BIM and sensor data. International Journal of Building Pathology and Adaptation, 38(01), 176–91.

Shipworth, M, Firth, S K, Gentry, M I, Wright, A J, Shipworth, D T and Lomas, K J (2010) Central heating thermostat settings and timing: building demographics. Building Research & Information, 38(01), 50–69.

Summerfield, A J, Lowe, R J and Oreszczyn, T (2010) Two models for benchmarking UK domestic delivered energy. Building Research & Information, 38(01), 12–24.

Summerfield, A J, Pathan, A, Lowe, R J and Oreszczyn, T (2010) Changes in energy demand from low-energy homes. Building Research & Information, 38(01), 42–9.

Troje, D and Gluch, P (2020) Populating the social realm: new roles arising from social procurement. Construction Management and Economics, 38(01), 55–70.

van den Boomen, M, Spaan, M T J, Shang, Y and Wolfert, A R M (2020) Infrastructure maintenance and replacement optimization under multiple uncertainties and managerial flexibility. Construction Management and Economics, 38(01), 91–107.